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Finding the Third Proportional to 66,425,652 and 143,768,772

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Solution

The third proportional to 66,425,652 and 143,768,772 is: 311,166,833.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,425,652 : 143,768,772 = 143,768,772 : x
  2. Step 2: Convert to fraction form
    66,425,652/143,768,772 = 143,768,772/x
  3. Step 3: Cross multiply
    66,425,652x = 143,768,772 × 143,768,772
  4. Step 4: Simplify right side
    66,425,652x = 20,669,459,802,387,984
  5. Step 5: Solve for x
    x = 20,669,459,802,387,984/66,425,652
  6. Step 6: Final answer
    x = 311,166,833.60

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.